function ChangeDiv(id)
{
	if(document.getElementById(id).className == 'hide')
		{
			document.getElementById(id).className = 'block divTr';
		}
	else
		{
			document.getElementById(id).className = 'hide';
		}
}

var check_hidden=function(){
		if(!document.getElementById || !document.getElementById('ckVip') || !document.getElementById('span_vipinfo')) return false;
		var sv=document.getElementById('span_vipinfo');
		var ck=document.getElementById('ckVip');
		ck.checked?sv.style.display='block':sv.style.display='none';
		ck.onclick=function(){
			ck.checked?sv.style.display='block':sv.style.display='none';}
	}
$(function(){check_hidden();});